Midstream Operations

Pipes in the midstream industry that transport petroleum

The Midstream segment primarily includes the operations of MPLX, MPC’s sponsored master limited partnership, which gather, transport, store and distribute crude oil, refined products, including renewable diesel, and other hydrocarbon-based products via refining logistics assets, pipelines, terminals, towboats and barges; gather, process and transport natural gas; and transport, fractionate, store and market natural gas liquids.

Energy Logistics by MPLX

MPLX is a diversified, large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets and provides fuels distribution services. MPLX’s assets include a network of crude oil and refined product pipelines; an inland marine business; light-product terminals; storage caverns; refinery tanks, docks, loading racks, and associated piping; and crude and light-product marine terminals. The company also owns crude oil and natural gas gathering systems and pipelines as well as natural gas and natural gas liquid processing and fractionation facilities in key U.S. supply basins.

Learn more about MPLX

Twighlight on refinery tanks and pipelines

Retail

Marathon brand and ARCO gas stations are located across the U.S. and Northern Mexico so that you can stay fueled and on the road to where you're going. 

EXPLORE OUR RETAIL OPERATIONS

Refining

We operate the nation's largest refining system with approximately 3 million barrels per calendar day of crude oil refining capacity across 13 refineries.

LEARN MORE ABOUT OUR REFINERIES

Industrial Products

We offer a variety of industrial petroleum-based products. From asphalt to petrochemicals, we have everything you need to fuel your business.

Explore our Industrial Products